# README

infra

Cloud server infrastructure that is used to easily coordinate with Google Cloud Platform with helpers for interacting with:

Google Cloud DNS
Google Compute Engine
Google Cloud Storage

With applications such as:

Setting up frontend servers fully connected to Google Cloud DNS, and proxying traffic to backends for example, if the program below is run, it'll add Google Cloud DNS entries automatically, making the respective CNAMES, A records etc, and thus visiting the domain name or aliases will resolve and send traffic to the provided IPV4 addresses.

package main

import (
	"fmt"
	"log"

	"github.com/orijtech/infra"
)

func main() {
	infraClient, err := infra.NewDefaultClient()
	if err != nil {
		log.Fatal(err)
	}

	setupInfo, err := infraClient.FullSetup(&infra.Setup{
		Project: "sample-961732",
		Zone:    "us-central1-c",

		ProjectDescription: "full-setup",
		MachineName:        "full-setup-sample",

		DomainName:   "edison.orijtech.com",
		ProxyAddress: "http://10.128.0.5/",
		Aliases:      []string{"www.edison.orijtech.com", "el.orijtech.com"},

		IPV4Addresses: []string{"37.162.3.87"},
	})

	if err != nil {
		log.Fatal(err)
	}
	log.Printf("SetupResponse: %#v\n", setupInfo)
}

Creating a Google Compute Engine instance

package main

import (
	"fmt"
	"log"
	"encoding/json"

	"github.com/orijtech/infra"
)

func main() {
	client, err := infra.NewDefaultClient()
	if err != nil {
		log.Fatal(err)
	}
	instance, err := client.CreateInstance(&infra.InstanceRequest{
		Description: "Git server",

		Project: "sample-998172",
		Zone:    "us-central1-c",
		Name:    "git-server",

		NetworkInterface: infra.BasicExternalNATNetworkInterface,
	})
	if err != nil {
		log.Fatal(err)
	}
	blob, _ := json.MarshalIndent(instance, "", "  ")
	fmt.Printf("Retrieved instance: %s\n", blob)
}

Add record sets to Google Cloud DNS

package main

import (
	"fmt"
	"log"

	"github.com/orijtech/infra"
)

func main() {
	client, err := infra.NewDefaultClient()
	if err != nil {
		log.Fatal(err)
	}
	addRes, err := client.AddRecordSets(&infra.UpdateRequest{
		Project: "sample-981058",
		Zone:    "us-central1-c",

		Records: []*infra.Record{
			{
				Type: infra.AName, DNSName: "git.orijtech.com.",
				IPV4Addresses: []string{"108.11.144.83"},
			},

			{Type: infra.CName, DNSName: "www.git.orijtech.com.", CanonicalName: "git.orijtech.com."},
			{Type: infra.CName, DNSName: "g.orijtech.com.", CanonicalName: "git.orijtech.com."},
		},
	})
	if err != nil {
		log.Fatalf("%+v", err)
	}

	fmt.Printf("addRes: %+v\n", addRes)
}

Uploading to Google Cloud Storage

package main

import (
	"fmt"
	"io"
	"log"
	"strings"

	"github.com/orijtech/infra"
)

func main() {
	infraClient, err := infra.NewDefaultClient()
	if err != nil {
		log.Fatal(err)
	}

	outParams := &infra.UploadParams{
		Reader: func() io.Reader { return strings.NewReader("This is an upload") },
		Name:   "foo",
		Bucket: "bucket",
		Public: true,
	}

	obj, err := infraClient.UploadWithParams(outParams)
	if err != nil {
		log.Fatalf("uploadWithParams: %v", err)
	}
	fmt.Printf("The URL: %s\n", infra.ObjectURL(obj))
	fmt.Printf("Size: %d\n", obj.Size)
}